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Finding the Third Proportional to 18,586,179 and 40,260,807

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Solution

The third proportional to 18,586,179 and 40,260,807 is: 87,211,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,179 : 40,260,807 = 40,260,807 : x
  2. Step 2: Convert to fraction form
    18,586,179/40,260,807 = 40,260,807/x
  3. Step 3: Cross multiply
    18,586,179x = 40,260,807 × 40,260,807
  4. Step 4: Simplify right side
    18,586,179x = 1,620,932,580,291,249
  5. Step 5: Solve for x
    x = 1,620,932,580,291,249/18,586,179
  6. Step 6: Final answer
    x = 87,211,716.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.